The new Tramontina meat knife with a polywood handle, which are made by impregnating polymer into real hardwood. This process gives the knives a resistance to water, ensuring that they retain their pristine condition. It means they can be safely washed in the dishwasher and the handles carry a 5-year warranty against manufacturing defects. As with all Tramontina steak knives and forks, these knives are manufactured from the highest grade of Brazilian stainless steel, meaning they are resistant to corrosion and rust.